how to download youtube videos

ther are may video in youtube adding it to playlist is a esy waybut we cand
wathch them if ther is no internet  conection ther is way tou watch them offline
we can do that by downloading it we can do that by a simple add-on saported for
internet explorer,fierfox,crome and opara the add-on name is savefrom.net helper
can be download from add-on shop by clicking menu->add-ons

or from given link
savefrom.net you can download it like this savefrom.net->for users->install
(select your browser first)

or by typing ss in the frent of youtube
or by copying youtube adress and pesting it on the web sight click
downloa and select the format and click save

if you installed the add-on
you will see green download butun

 if you dont see it click on he add-on
and click  refresh links an click download buttun and select the format

and
save it see youtube videos offline

genymotion

https//genymotion.com the link abow will take you to genymotion emulator web sight
it is the father of all emulators the emulator can be download free and premium
only worth 25mp and nead virtulbox software click the link http
://virtulbox.com
wen downloading genymotion you will need to register you will need the password
again to download the virul dvice from genymotion i will post a video all so
that will contain how to download the software you can install any android device on the software the best thing is it do not need a graphic card